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Add custom quality factors and quantizer bitrate mode (#448)

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* Add custom quality factors and quantizer bitrate mode (closes #327)

* Fix quantizer mode fallback and per-frame quantizer edge cases

* Clean up quantizer mode tests

* Quantizer implementation

* Add quality tests

* Improve conversion codec error message, make test more lenient

* Add quantizer support blog post

---------

Co-authored-by: Vanilagy <[email protected]>
This commit is contained in:
Don Carignan
2026-07-30 17:24:59 +02:00
committed by GitHub
co-authored by Vanilagy
parent 1a99b0371d
commit c3df2a24e5
48 changed files with 1372 additions and 371 deletions
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docs/guide/extensions/server.md
+2 -2
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@@ -56,7 +56,7 @@ registerMediabunnyServer({
Here, we set up a simple media compression server in Node.js. The client's request body is streamed to Mediabunny, the media gets processed, and the output is streamed directly to the disk. Memory usage is O(1) due to pipelining, and an overly fast uploader is automatically slowed down due to stream backpressure.
```ts
import { ALL_FORMATS, Conversion, FilePathTarget, Input, Mp4OutputFormat, Output, QUALITY_MEDIUM, ReadableStreamSource } from "mediabunny";
import { ALL_FORMATS, Conversion, FilePathTarget, Input, Mp4OutputFormat, Output, Quality, ReadableStreamSource } from "mediabunny";
import { registerMediabunnyServer } from "@mediabunny/server";
import { Readable } from "node:stream";
import http from "node:http";
@@ -84,7 +84,7 @@ const server = http.createServer(async (req, res) => {
video: async track => ({
codec: 'avc',
height: Math.min(720, await track.getDisplayHeight()),
bitrate: QUALITY_MEDIUM,
quality: new Quality('medium'),
}),
});
await conversion.execute();